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Process of making wire, tape, cable, coil, or fiber

Subclass of:

505 - Superconductor technology: apparatus, material, process

505300000 - PROCESSES OF PRODUCING OR TREATING HIGH TEMPERATURE (TC GREATER THAN 30 K) SUPERCONDUCTOR MATERIAL OR SUPERCONDUCTOR CONTAINING PRODUCTS OR PRECURSORS THEREOF

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Class / Patent application numberDescriptionNumber of patent applications / Date published
505430000 Process of making wire, tape, cable, coil, or fiber 40
20090099026METHOD OF PROCESSING WIDTH OF SUPERCONDUCTING WIRE ROD - A method of processing width of a superconducting wire rod is provided, in which slit processing is performed to a superconducting wire rod formed using a wide substrate, without deteriorating the superconducting feature and at high production efficiency. The method includes a step of preparing the superconducting wire rod and a step of cutting the superconducting wire rod by processing portions each having two opposing cutting portions. At least two sets of the processing portions are arranged adjacent to each other with a distance in a width direction of the superconducting wire rod so that the superconducting wire rod is interposed between the two cutting portions. Contacting positions of the cutting portions contacting one surface of the superconducting wire rod are externally positioned in the width direction of the superconducting wire rod relative to contacting positions of the cutting portions contacting the other surface of the superconducting wire rod.04-16-2009
20090209428PRODUCTION METHOD OF Bi-2223-BASED SUPERCONDUCTING WIRE - The invention offers a method of producing a Bi-2223-based superconducting wire. The method has a preparing step for preparing a precursor 08-20-2009
20100022398LAMINATION METHOD - The present invention is directed to a lamination method. The lamination method includes making the interior of a process chamber a vacuum, the process chamber including a first and a second metal sheet, supplying the first and the second metal sheets, injecting a bonding material between the first and the second metal sheets supplied, bonding the first and the second metal sheets with each other, and heating the bonded metal sheets. The first metal sheet is a superconductive tape, and the second metal sheet is stabilization metal tape.01-28-2010
20120245035MITIGATING THE EFFECTS OF DEFECTS IN HIGH TEMPERATURE SUPERCONDUCTOR WIRES - A method includes locating a defect in a first segment of high temperature superconducting wire. A second segment of high temperature superconducting wire is then positioned onto the first segment of high temperature superconducting wire such that the second segment of high temperature superconducting wire overlaps the defect. A path is then created such that current flows through the second segment of high temperature superconducting wire. The first segment of high temperature superconducting wire and second segment of high temperature superconducting wire are then laminated together.09-27-2012
20130157867CONNECTION STRUCTURE FOR SUPERCONDUCTING CABLES, METHOD FOR LAYING THE SAME, AND METHOD FOR VACUUMING CONNECTION STRUCTURE FOR SUPERCONDUCTING CABLES - A thermal insulation tube has a double-structure including a thermal insulation internal tube and a thermal insulation external tube, an intermediate connecting part has a double-structure including an outer container and an inner container, the internal tube and the external tube penetrate through a wall surface of the outer container and are introduced at least up to a wall surface of the inner container, a region between the internal tube and the external tube is sealed by joining an end to be introduced of the internal tube and an end to be introduced of the external tube, at an introduction portion of the external tube to be positioned on an inner side of a wall surface of the outer container, and a corrugated tubular part has a tube wall thinner than the external tube outside of the wall surface.06-20-2013
20130331273METHOD FOR MAKING SUPERCONDUCTING WIRE - A method for making superconducting wire is provided. A drawn carbon nanotube film is pulled out from a carbon nanotube array. The drawn carbon nanotube film is placed spaced from and opposite to a number of superconducting preforms on a carrier. The superconducting preforms are moved from the carrier onto the drawn carbon nanotube film by applying an electric field between the drawn carbon nanotube film and the carrier. A composite wire is made by twisting the drawn carbon nanotube film with the superconducting preforms thereon. Finally, the composite wire is sintered.12-12-2013
20130345063Device and method for the densification of filaments in a long superconductive wire - A device for the high pressure densification of superconducting wire from compacted superconductor material or superconductor precursor powder particles, has four hard metal anvils (12-26-2013
20160375606THREE DIMENSIONAL MULTILAYERED PRINTED SUPER CONDUCTING ELECTROMAGNETS - The present invention is a method of manufacturing a super conducting electromagnet comprising a 3D printer extruder of the type having an extruder, a liquefier and a nozzle.12-29-2016
505431000 Making multifilament 8
20080242551Wire-in-conduit magnetic conductor technology - A new type of conductor well-suited for use in a superconducting electromagnet. The conductor comprises a single electrically conductive member at its core. The conductor may include concentric layers of dissimilar materials. This conductor is surrounded by a channel through which coolant—typically liquid helium—can flow. The channel is bounded by a metal conduit of sufficient strength to withstand the Lorentz forces. The metal conduit is covered by an insulator which forces the current into the desired helical path.10-02-2008
20080274903Critical current density in Nb3Sn superconducting wire - Critical current densities of internal tin wire having values of at least 2000 at temperature of 4.2 K and in magnetic field of 12 T are achieved by controlling the following parameters in a distributed barrier subelement design: wt % Sn in bronze; atomic Nb:Sn; local area ratio; reactable barrier; and barrier thickness relative to the filament thickness; and the design for restacking and wire reduction to control the maximum filament diameter at the subsequent heat reaction stage.11-06-2008
20090176650INTERNAL DIFFUSION PROCESS NB3SN SUPERCONDUCTING WIRE - An internal diffusion process Nb07-09-2009
20090312187Method for fabricating a superconducting wire - A metallic thin film is wound around a core material made of a first metallic material in a predetermined number of windings to provide a first wire rod having a diameter which is applicable for roll forming in a longitudinal direction of the core material. The metallic thin film is formed by rolling a second metallic material and carrying out an annealing heat treatment on the rolled second metallic material. The first wire rod is cut to provide second wire rods, and the second wire rods are filled into a billet for multi-wires to provide a multi billet. The multi billet is extruded and drawn. Thereafter, a heat treatment is carried out on the drawn material to provide a superconducting wire.12-17-2009
20100087324Procedure of densifying filaments for a superconductive wire - A method for producing a superconductive wire, whereby an elongated intermediate element is formed out of an initial element in a deformation step and whereby the superconductive filaments are formed by a final reaction heat treatment, is characterized in that prior to the final reaction heat treatment the filaments in the intermediate element are densified in one or more high pressure densification steps following up the deformation step, said densification steps comprising a simultaneous action of at least four hard surfaces perpendicular to the axis of the elongated intermediate element, building up high pressure P≧100 MPa on a part of the intermediate element having an axial length L. This leads to a substantial increase of the critical current density J04-08-2010
20120083415PROCESS OF SUPERCONDUCTING WIRE AND SUPERCONDUCTING WIRE - A process of a superconducting wire is provided, which includes a step for twisting a first wire with a second wire that is different from the first wire and a step for filling a twisted wire of the first wire and the second wire in a metal tube, or enveloping the twisted wire in a metal sheet. According to the process, for example, an MgB04-05-2012
20140364318METHODS FOR FORMING JOINTS BETWEEN MAGNESIUM DIBORIDE CONDUCTORS - In a method for forming joints between MgB12-11-2014
20150325339Manufacturing Process of Superconductors with Reduced Critical Current Dependence under Axial Mechanical Strain - A method for manufacturing a superconducting wire having a plurality of filaments, at least some of which are twisted around the wire axis, characterized in that the superconducting filaments are twisted so that the majority of filaments comes to lie at an angle of twist greater than 50° with respect to the wire axis. It is possible in this way, using simple technical means, to significantly reduce the great dependence of the critical current of a superconducting wire at high magnetic fields as a function of an axial strain. In addition, with a corresponding arrangement of the superconducting filaments, the critical current dependence of a superconducting wire at high magnetic fields as a function of an axial strain can be largely canceled.11-12-2015
505432000 Isostatic pressing (e.g., HIP, hydrostatic pressing, etc.) 1
20090192043Process for the preparation of oxide superconducting rods - An improved process for the preparation of oxide superconducting rods. The present invention provides a process for the preparation of oxide superconducting rods. The process includes the steps of a cold isopressing process without addition of binder, particularly thin and those based on Ag-added (Bi,Pb)07-30-2009
505433000 With metal deforming, metal wrapping, or metal coiling 8
20090011942Method of Manufacturing MgB2 Superconducting Wire - A method of manufacturing a superconducting wire is provided. A MgB01-08-2009
20090042731METHOD OF PRODUCING OXIDE SUPERCONDUCTING WIRE - An object of the invention is to offer a method of producing an oxide superconducting wire that has a uniform performance throughout its length so that a wire can be obtained with just the intended length. The method of producing an oxide superconducting wire comprises a drawing step for drawing a wire having a configuration in which a precursor powder of a (Bi, Pb) 2223 superconducting body is covered with a metal sheath, a primary rolling step for rolling the wire having undergone the drawing step, a primary heat-treating step for heat-treating the wire having undergone the primary rolling step, a secondary rolling step for rolling the wire having undergone the primary heat-treating step, and a secondary heat-treating step for heat-treating the wire having undergone the secondary rolling step. Between the primary rolling step and the secondary heat-treating step, the method further comprises a step of sealing a sheath-lacking portion on the outer surface of the sheath by using a material consisting mainly of silver.02-12-2009
20090325809Manufacture of high temperature superconductor coils - A method for successfully heat treating magnet coils of braided Bi12-31-2009
20100323901METHOD OF MANUFACTURING SUPERCONDUCTING WIRE - A method of manufacturing a superconducting wire includes the step of drawing a wire formed by coating raw material powder for a superconductor with a metal (S12-23-2010
20110224085MAGNESIUM DIBORIDE - An amorphous or a partially crystalline magnesium diboride comprising a crystalline material content of ≦25% by weight as determined by an X-ray powder diffraction.09-15-2011
20120108438SUPERCONDUCTORS AND METHODS OF MANUFACTURING THE SAME - A method of manufacturing superconductors with critical temperature T05-03-2012
20140371077METHOD OF MANUFACTURING A SUPERCONDUCTIVE CABLE - A method is provided for manufacturing a superconductive cable equipped with means for compensating length. changes caused by temperature changes which occur when the cable is cooled from room temperature to work temperature and vice-versa. A superconductive cable (SK) with a tubular, central carrier (12-18-2014
20160005538SUPERCONDUCTING COIL PRODUCTION APPARATUS AND SUPERCONDUCTING COIL PRODUCTION METHOD - According to an embodiment, a superconducting coil production device for producing a non-coplanar three-dimensional superconducting coil by winding a tape-like superconducting wire includes: a coil bobbin; a supply reel to supply the superconducting wire to the coil bobbin; and an adjustment driving unit to adjust a position of the supply reel relative to a wrapping point so that a position of the wrapping point of the coil bobbin around which the superconducting wire being supplied from the supply reel is wrapped becomes equal to a position of the supply reel in a rotational axis direction of the supply reel.01-07-2016
505434000 With coating 15
20080220976Method And Apparatus For Manufacturing Superconducting Tape Through Integrated Process - A method and apparatus for manufacturing superconducting tape through an integrated process, including the steps of: heat-treating a substrate wound on a drum in a reaction chamber; continuously depositing components, constituting a buffer layer, a superconducting layer, a contact resistance layer, and a protective layer of the superconducting tape, which are supplied from a deposition chamber, on the substrate; and heat-treating the substrate deposited with the components. The present invention is advantageous in that the unit cost and time for manufacturing a superconducting tape are decreased because all processes for manufacturing a superconducting tape can be performed under the same conditions, the uniformity and performance of a superconducting tape is improved because the same deposition conditions are applied to all of the process for manufacturing a superconducting tape, and a high-quality superconducting tape having high deposition efficiency can be obtained because specific components can be deposited on a large-sized substrate using a drum.09-11-2008
20090088326Process of Forming a High-Temperature Superconductor - A method of producing a thin layer, high-temperature superconductor strip is disclosed. In the method, a metal salt solution is formed and coated onto a substrate including a high-temperature superconductor layer. Heat is then applied directly or indirectly to the solution. The metal salt solution may contain a metal-organic salt solution or a metal inorganic metal salt solution. When an inorganic metal salt solution is utilized, a reducing solution may also be applied to the HTSC layer prior to heating. In addition, nano-sized metal particles may be added to the metal salt solution and/or the reducing solution.04-02-2009
20090209429METHOD OF FORMING AN HTS ARTICLE - A method of forming a superconducting article includes providing a substrate tape, forming a superconducting layer overlying the substrate tape, and depositing a capping layer overlying the superconducting layer. The capping layer includes a noble metal and has a thickness not greater than about 1.0 micron. The method further includes electrodepositing a stabilizer layer overlying the capping layer using a solution that is non-reactive to the superconducting layer. The superconducting layer has an as-formed critical current I08-20-2009
20090286686Process for Producing Thick-Film Tape-Shaped Re-Type (123) Superconductor - This invention provides a production process of a thick-film tape-shaped RE-type (123) superconductor having a high critical current value. The production process comprises providing a composite substrate comprising Gd11-19-2009
20100216647Method for superconducting connection between MgB2 superconducting wires via a MgB2 matrix made from a boron powder compressed element infiltrated with Mg - A method for superconductingly connecting two or more wires (08-26-2010
20110160066METHOD FOR PRODUCING MICROSTRUCTURED TEMPLATES AND THEIR USE IN PROVIDING PINNING ENHANCEMENTS IN SUPERCONDUCTING FILMS DEPOSITED THEREON - The present invention relates to a method for producing a phase-separated layer useful as a flux pinning substrate for a superconducting film, wherein the method includes subjecting at least a first and a second target material to a sputtering deposition technique in order that a phase-separated layer is deposited epitaxially on a primary substrate containing an ordered surface layer. The invention is also directed to a method for producing a superconducting tape containing pinning defects therein by depositing a superconducting film on a phase-separated layer produced by the method described above.06-30-2011
20110166026METHOD OF FABRICATIING OXIDE SUPERCONDUCTING THIN FILM - The present invention is a method of fabricating an oxide superconducting thin film for use in fabrication of a superconducting wire by a coating-pyrolysis process using a fluorine-free metal organic compound as a raw material. An intermediate heat treatment of decomposing a carbonate contained in a thin film to be subjected to a sintering heat treatment for a crystallizing heat treatment is conducted before the sintering heat treatment. The intermediate heat treatment is conducted in an atmosphere having a carbon dioxide concentration lower than or equal to 10 ppm. The metal organic compound is a metal organic compound containing a β-diketone complex.07-07-2011
20120108439METHOD OF PRODUCING SUBSTRATE AND SUPERCONDUCTING WIRE - The present invention relates to a method of producing a substrate, including the steps of preparing a substrate having a nickel layer formed on a copper layer through plating, subjecting the nickel layer to thermal treatment at 800-1000° C., and epitaxial-growing an intermediate layer on the nickel layer, after the step of subjecting the nickel layer to thermal treatment. According to the present invention, there can be provided a substrate that allows the orientation and flatness at the surface of a nickel layer to be improved, and a method of producing the substrate.05-03-2012
20120142539MECHANICAL DECOUPLING IN HIGH-TEMPERATURE SUPERCONDUCTING TAPES - A novel method and structure for creating a high-temperature superconducting tape. The concept of the invention is to use a conductor insulation which not only electrically insulates the conductors of the coil windings from each other, but also mechanically insulates them from the much stronger encapsulant. The insulation material mechanically decouples the conductor from the encapsulant at the boundary between them, thereby preventing damage as a result of thermal and electromagnetic shearing forces. The proposed structure allows the encapsulant to continue performing its functions of preventing coarse motion and stabilizing the coil as a whole, while allowing fine relative displacements of individual coil windings caused by radial stress gradients.06-07-2012
20130017956METHOD OF FORMING SUPERCONDUCTING WIREAANM Yoo; Sang ImAACI SeoulAACO KRAAGP Yoo; Sang Im Seoul KRAANM Lee; Jung-WooAACI SeoulAACO KRAAGP Lee; Jung-Woo Seoul KR - Methods of forming a superconducting wire are provided. The method may include dissolving a superconducting material in an acid not including fluorine to form a superconducting precursor solution, providing the superconducting precursor solution on a substrate to form a superconducting precursor layer, and controlling an oxygen partial pressure of a processing chamber provided with the substrate and/or a temperature of the substrate in order that the superconducting precursor layer partially have a liquid phase, thereby forming an epitaxial superconducting layer on the substrate.01-17-2013
20130040822Engineering of an Ultra-Thin Molecular Superconductor by Charge Transfer - A method of forming a superconductive device of a single layer of (BETS)02-14-2013
20130150247METHODS FOR FORMING SUPERCONDUCTOR ARTICLES AND XRD METHODS FOR CHARACTERIZING SAME - A method for forming a superconductive article is disclosed. According to one method, a substrate is provided, the substrate having an aspect ratio of not less than about 1×1006-13-2013
20130331274METHOD FOR MAKING SUPERCONDUCTING WIRE - A method for making superconducting wire is provided. A number of superconducting preforms is formed on a carrier. A carbon nanotube layer is placed spaced from and opposite to the carrier. The superconducting preforms are moved from the carrier onto the carbon nanotube layer by applying an electric field between the carbon nanotube layer and the carrier. A composite wire is made by treating the carbon nanotube layer with the superconducting preforms thereon. Finally, the composite wire is sintered.12-12-2013
20140024535SUPERCONDUCTING WIRE ROD MANUFACTURING APPARATUS, AND METHOD OF MANUFACTURING THE SAME - A manufacturing apparatus which manufactures a superconducting wire rod, includes first, second, and third chambers which are connected in series, an exhaust device which exhaust air from the first to third chambers, a carrier device which carries a substrate such that the substrate passes through the first to third chambers in this order, a first film formation device which forms a metal layer on the substrate in the first chamber, a first gas supply device which supplies oxidation gas to the second chamber to oxidize a surface of the metal layer, and a second film formation device which forms an oxide layer on the metal layer, the surface of which has been oxidized, in the third chamber.01-23-2014
20140287928METHOD FOR MANUFACTURING PRECURSOR, METHOD FOR MANUFACTURING SUPERCONDUCTING WIRE, PRECURSOR, AND SUPERCONDUCTING WIRE - A method for manufacturing a superconducting wire includes the following steps. A laminate metal having a first metal layer and a Ni layer formed on the first metal layer is prepared. An intermediate layer (09-25-2014
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